#42A3CA#42A3CA

#42A3CA is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.5% C 0.106 H 228.2°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#42A3CA
RGB	rgb(66, 163, 202)
HSL	hsl(197, 56%, 53%)
HSV	hsv(197, 67%, 79%)
CMYK	cmyk(67.3%, 19.3%, 0%, 20.8%)
CIE-LAB	lab(63.02, -16.04, -28.27)
CIE-LCH	lch(63.02, 32.50, 240.43°)
OKLab	oklab(67.45% -0.0708 -0.0791)
OKLCH	oklch(67.45% 0.106 228.2)
XYZ	xyz(26.0004, 31.6141, 60.5975)
Luminance	0.3162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A3CA #CA6942

analogous

#42CAAD #42A3CA #425FCA

triadic

#42A3CA #CA42A3 #A3CA42

tetradic

#42A3CA #AD42CA #CA6942 #5FCA42

square

#42A3CA #AD42CA #CA6942 #5FCA42

split-complementary

#42A3CA #CA425F #CAAD42

monochromatic

#205A72 #2D80A2 #42A3CA #72BAD7 #A2D2E5

Accessibility & contrast

On white

2.87

#42A3CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#42A3CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A3CA

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A3CA	#FFFFFF	#000000	##000000
##42A3CA	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA0CC

Deuteranopia (green-blind)

#7C92C9

Tritanopia (blue-blind)

#00AEB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #42a3ca;
/* rgb */ color: rgb(66, 163, 202);
/* oklch */ color: oklch(67.5% 0.106 228.2);

Tailwind

colors: {
  custom: {
    50: '#86beda',
    500: '#42a3ca',
    950: '#000000',
  },
}

SCSS

$custom: #42a3ca;
$custom-light: #86beda;
$custom-dark: #000000;

JSON

{
  "hex": "#42a3ca",
  "rgb": {
    "r": 66,
    "g": 163,
    "b": 202
  },
  "hsl": {
    "h": 197.206,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.6745,
    "c": 0.10619,
    "h": 228.2
  },
  "luminance": 0.31617
}

Semantic roles & 50–950 ramp

primary

#42A3CA

secondary

#D1A796

accent

#7448DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42A3CA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →